Create Jenkinsfile

Jenkinsfile

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+Pipeline Script:
+pipeline {
+    agent any
+
+    environment {
+        IMAGE_NAME = "student-app"
+        VERSION = "1.2"
+    }
+
+    stages {
+
+        stage('Checkout') {
+            steps {
+                git 'https://github.com/vishnutg0509/getting-started.git'
+            }
+        }
+
+        stage('Build') {
+            steps {
+                sh 'echo Building Application'
+            }
+        }
+
+        stage('Docker Build') {
+            steps {
+                sh '''
+                docker build -t ${IMAGE_NAME}:${VERSION} .
+                '''
+            }
+        }
+
+        stage('Docker Test') {
+            steps {
+                sh '''
+                docker run -d --name temp-test -p 4000:80 ${IMAGE_NAME}:${VERSION}
+                sleep 15
+                curl http://localhost:4000
+                docker rm -f temp-test
+                '''
+            }
+        }
+
+        stage('Deploy DEV') {
+            steps {
+                sh '''
+                docker rm -f student-dev || true
+
+                docker run -d \
+                --name student-dev \
+                -p 3001:80 \
+                ${IMAGE_NAME}:${VERSION}
+                '''
+            }
+        }
+
+        stage('Smoke Test') {
+            steps {
+                sh '''
+                curl http://13.236.137.237:3001
+                '''
+            }
+        }
+
+        stage('Deploy QA') {
+            steps {
+                sh '''
+                docker rm -f student-qa || true
+
+                docker run -d \
+                --name student-qa \
+                -p 3002:80 \
+                ${IMAGE_NAME}:${VERSION}
+                '''
+            }
+        }
+
+        stage('QA Test') {
+            steps {
+                sh '''
+                curl http://13.236.137.237:3002
+                '''
+            }
+        }
+
+        stage('Manual Approval') {
+            steps {
+                input message: 'Deploy to Production?'
+            }
+        }
+
+        stage('Deploy PROD') {
+            steps {
+                sh '''
+                docker rm -f student-prod || true
+
+                docker run -d \
+                --name student-prod \
+                -p 3003:80 \
+                ${IMAGE_NAME}:${VERSION}
+                '''
+            }
+        }
+
+        stage('Production Health Check') {
+            steps {
+                sh '''
+                curl http://13.236.137.237:3003
+                '''
+            }
+        }
+    }
+}